/usr/include/ola/thread/Future.h is in libola-dev 0.10.3.nojsmin-2+deb9u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 | /*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Future.h
* An experimental implementation of Futures.
* Copyright (C) 2010 Simon Newton
*/
#ifndef INCLUDE_OLA_THREAD_FUTURE_H_
#define INCLUDE_OLA_THREAD_FUTURE_H_
#include <ola/thread/FuturePrivate.h>
namespace ola {
namespace thread {
/**
* A Future object
*/
template <typename T>
class Future {
public:
Future() : m_impl(new FutureImpl<T>()) {}
~Future() {
m_impl->DeRef();
}
Future(const Future &other) : m_impl(other.m_impl) {
other.m_impl->Ref();
}
Future& operator=(const Future<T> &other) {
if (this != &other) {
m_impl->DeRef();
other.m_impl->Ref();
m_impl = other.m_impl;
}
return *this;
}
bool IsComplete() const {
return m_impl->IsComplete();
}
const T& Get() {
return m_impl->Get();
}
void Set(const T &t) {
m_impl->Set(t);
}
private:
class FutureImpl<T> *m_impl;
};
/**
* The void specialization.
*/
template <>
class Future<void> {
public:
Future() : m_impl(new FutureImpl<void>()) {}
~Future() {
m_impl->DeRef();
}
Future(const Future &other) : m_impl(other.m_impl) {
other.m_impl->Ref();
}
Future& operator=(const Future<void> &other) {
if (this != &other) {
m_impl->DeRef();
other.m_impl->Ref();
m_impl = other.m_impl;
}
return *this;
}
bool IsComplete() const {
return m_impl->IsComplete();
}
void Get() {
m_impl->Get();
}
void Set() {
m_impl->Set();
}
private:
class FutureImpl<void> *m_impl;
};
} // namespace thread
} // namespace ola
#endif // INCLUDE_OLA_THREAD_FUTURE_H_
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